Canadian Subclass Details

Description: 25 / (98) Processes (123) Inorganic Fused Materials (130) Shaping Article or Treatment of Shaped Article (135) Specific Articles (139) Electrical Devices or Components

Hierarchy/Derived subclasses

25 / 98

-> 123

-> 130

-> 135

-> 139

CIPO search

search just 25/139

This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find patents in those subclasses.